

#ifndef __C_META_TRIANGLE_SELECTOR_H_INCLUDED__
#define __C_META_TRIANGLE_SELECTOR_H_INCLUDED__

#include "IMetaTriangleSelector.h"
#include "irrArray.h"

namespace irr
{
    namespace scene
    {

        //! Interface for making multiple triangle selectors work as one big selector.
        class CMetaTriangleSelector : public IMetaTriangleSelector
        {
        public:

            //! constructor
            CMetaTriangleSelector();

            //! destructor
            virtual ~CMetaTriangleSelector();

            //! Returns amount of all available triangles in this selector
            virtual s32 getTriangleCount() const;

            //! Gets all triangles.
            virtual void getTriangles(core::triangle3df* triangles, s32 arraySize,
                s32& outTriangleCount, const core::matrix4* transform=0);

            //! Gets all triangles which lie within a specific bounding box.
            virtual void getTriangles(core::triangle3df* triangles, s32 arraySize,
                s32& outTriangleCount, const core::aabbox3d<f32>& box, 
                const core::matrix4* transform=0);

            //! Gets all triangles which have or may have contact with a 3d line.
            virtual void getTriangles(core::triangle3df* triangles, s32 arraySize,
                s32& outTriangleCount, const core::line3d<f32>& line, 
                const core::matrix4* transform=0);

            //! Adds a triangle selector to the collection of triangle selectors
            //! in this metaTriangleSelector.
            virtual void addTriangleSelector(ITriangleSelector* toAdd); 

            //! Removes a specific triangle selector which was added before	from the collection.
            virtual bool removeTriangleSelector(ITriangleSelector* toRemove);

            //! Removes all triangle selectors from the collection.
            virtual void removeAllTriangleSelectors();

        private:

            core::array<ITriangleSelector*> TriangleSelectors;
        };

    } // end namespace scene
} // end namespace irr


#endif

